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Inter-cell interference coordination method based on evolution network architecture of 3G system

An inter-cell interference and evolution network technology, applied in the field of inter-cell interference coordination based on the 3G system evolution network architecture, can solve the problems of low spectrum utilization efficiency, disadvantageous edge user performance and cell throughput, etc., to improve handover efficiency and shorten the time. Resource setup time, the effect of avoiding mutual interference

Active Publication Date: 2007-07-04
SHANGHAI ULTIMATE POWER COMM TECH
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Problems solved by technology

[0010] The purpose of the present invention is to provide a method for coordinating inter-cell interference based on the network architecture of 3G system evolution, so as to overcome the disadvantages of low spectrum utilization efficiency in the prior art, which is not conducive to the overall improvement of edge user performance and cell throughput, and effectively coordinate cells Interference between each other, obtain efficient wireless resource utilization, and further improve the throughput of the cell and the service performance of the cell edge users

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  • Inter-cell interference coordination method based on evolution network architecture of 3G system
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  • Inter-cell interference coordination method based on evolution network architecture of 3G system

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[0057] The core of the present invention is to enable the E-Node B and the CPS to coordinate wireless resource allocation based on the advantages of the OFDM technology and the characteristics of the evolution network architecture of the 3G system. When configuring sub-band resources, divide all available bandwidth resources into two parts, one part of bandwidth resources adopts a static multiplexing mechanism, and the other part of bandwidth resources adopts a dynamic multiplexing mechanism, and users within the center of the cell use the static multiplexing mechanism The E-Node B directly configures the bandwidth resources of the cell edge; while the bandwidth resources of the users falling into the cell edge interference area use the dynamic multiplexing mechanism, and the CPS cooperates with the E-Node B to configure the bandwidth resources based on the cell resource information it has mastered. During the wireless resource configuration process, the E-Node B determines the...

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Abstract

The invention relates to an inter-region interference cooperate method based on 3G system advanced network, wherein it comprises that: presetting region edge interference area at each region; when UE is not at the region edge interference area, the advanced base station E-Node B of advanced network will distribute wireless resource for UE to be used directly, and send resource distribute result to control server CPS; when UE is in the interference area, E-Node B and relative CPS will cooperate to distribute wireless resource to UE, and receive the response message of CPS to directly use wireless resource. The invention uses E-Node B to real-time detect the UE position and the interference cooperation of CPS, to avoid near-region interference. The invention can improve wireless utilization and improve region throughout.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to an inter-cell interference coordination method based on a 3G system evolution network architecture. Background technique [0002] With the development of the third generation mobile communication technology, network planning and optimization work is becoming more and more important. Due to the rapid increase in the number of mobile users and the continuous emergence of new services, the system is required to obtain good network capacity and meet certain wireless coverage requirements under the condition of supporting multiple services and meeting certain QoS (Quality of Service) conditions. At the same time, by adjusting capacity, A balanced relationship between coverage and quality provides the best service. For this reason, the applicant proposed a wireless communication system of a 3G system evolution network architecture in Chinese patent application 20051013015...

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Application Information

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IPC IPC(8): H04Q7/38H04Q7/36H04W24/10H04W72/08
Inventor 赵国胜王文清谢永斌
Owner SHANGHAI ULTIMATE POWER COMM TECH
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